ES2116685T3 - Boquilla de inyeccion de carburante. - Google Patents

Boquilla de inyeccion de carburante.

Info

Publication number
ES2116685T3
ES2116685T3 ES95305592T ES95305592T ES2116685T3 ES 2116685 T3 ES2116685 T3 ES 2116685T3 ES 95305592 T ES95305592 T ES 95305592T ES 95305592 T ES95305592 T ES 95305592T ES 2116685 T3 ES2116685 T3 ES 2116685T3
Authority
ES
Spain
Prior art keywords
graduation
valve
settlement
injection nozzle
fuel injection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
ES95305592T
Other languages
English (en)
Inventor
Paul Buckley
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZF International UK Ltd
Original Assignee
Lucas Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lucas Industries Ltd filed Critical Lucas Industries Ltd
Application granted granted Critical
Publication of ES2116685T3 publication Critical patent/ES2116685T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M45/00—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship
    • F02M45/02—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts
    • F02M45/04—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts with a small initial part, e.g. initial part for partial load and initial and main part for full load
    • F02M45/08—Injectors peculiar thereto
    • F02M45/083—Having two or more closing springs acting on injection-valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/20—Closing valves mechanically, e.g. arrangements of springs or weights or permanent magnets; Damping of valve lift
    • F02M61/205—Means specially adapted for varying the spring tension or assisting the spring force to close the injection-valve, e.g. with damping of valve lift

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

UN TOBERA DE INYECCION DE COMBUSTIBLE QUE INCLUYE UN ELEMENTO DE VALVULA DE COMBUSTIBLE ACTIVADA A PRESION (59) INCLINADA MEDIANTE UN PRIMER MUELLE (23) EN RELACION CON UN ASENTAMIENTO. UNA GRADUACION DE PREELEVACION (27) SE ENCUENTRA EN CONTACTO CON UNA SUPERFICIE QUE SE MUEVE CON EL ELEMENTO DE VALVULA DESPUES DE UN MOVIMIENTO PREDETERMINADO DE LA MISMA, ALEJANDOSE DEL ASENTAMIENTO. LA GRADUACION DE ELEVACION SE MUEVE CONTRA LA ACCION DE UN SEGUNDO MUELLE (26) PARA PERMITIR EL MOVIMIENTO CONTINUADO DE LA VALVULA. LA POSICION DE GRADUACION DE ELEVACION ES DETERMINADA POR UN TOPO (24) QUE, DURANTE EL MOVIMIENTO DE CIERRE DE LA VALVULA HACIA EL ASENTAMIENTO, CEDE BAJO LA ACCION DE LA INERCIA DE LA GRADUACION DE PREELEVACION (27) PARA COADYUDAR EL MOVIMIENTO DE CIERRE DE LA VALVULA.
ES95305592T 1994-08-19 1995-08-10 Boquilla de inyeccion de carburante. Expired - Lifetime ES2116685T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9416785A GB9416785D0 (en) 1994-08-19 1994-08-19 Fuel injection nozzle

Publications (1)

Publication Number Publication Date
ES2116685T3 true ES2116685T3 (es) 1998-07-16

Family

ID=10760088

Family Applications (1)

Application Number Title Priority Date Filing Date
ES95305592T Expired - Lifetime ES2116685T3 (es) 1994-08-19 1995-08-10 Boquilla de inyeccion de carburante.

Country Status (5)

Country Link
US (1) US5647540A (es)
EP (1) EP0697518B1 (es)
DE (1) DE69502556T2 (es)
ES (1) ES2116685T3 (es)
GB (1) GB9416785D0 (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9525369D0 (en) * 1995-12-12 1996-02-14 Lucas Ind Plc Injector
US6145762A (en) * 1998-10-19 2000-11-14 Cummins Engine Company, Inc. Variable rate spring for a fuel injector
US6959878B1 (en) * 1999-11-17 2005-11-01 Stanadyne Corporation Compact fuel injection nozzle
DE10213441A1 (de) * 2002-03-26 2003-10-23 Hatz Motoren Kraftstoffeinspritzvorrichtung mit hydraulischer Düsennadelsteuerung
US6511002B1 (en) * 2002-06-13 2003-01-28 Alfred J. Buescher EMD-type injector with improved spring seat
EP2857670B1 (en) * 2013-10-04 2018-12-12 Continental Automotive GmbH Fuel injector

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB785411A (en) * 1955-02-23 1957-10-30 Saurer Ag Adolph Improvements in and relating to injection nozzles for internal combustion engines
GB1320920A (en) * 1969-11-12 1973-06-20 Cav Ltd Fuel injection nozzle units
DE3105686A1 (de) * 1981-02-17 1982-09-02 Robert Bosch Gmbh, 7000 Stuttgart "kraftstoffeinspritzduese"
DE3610658A1 (de) * 1985-11-21 1987-05-27 Bosch Gmbh Robert Kraftstoff-einspritzduese fuer brennkraftmaschinen
DE4017391C2 (de) * 1990-05-30 1993-10-07 Man Nutzfahrzeuge Ag Spritzquerschnittgesteuerte Einspritzdüse für eine luftverteilte Kraftstoffeinspritzung bei einer luftverdichtenden Brennkraftmaschine
GB9012288D0 (en) * 1990-06-01 1990-07-18 Lucas Ind Plc Fuel injection pump

Also Published As

Publication number Publication date
DE69502556T2 (de) 1998-11-26
DE69502556D1 (de) 1998-06-25
EP0697518B1 (en) 1998-05-20
GB9416785D0 (en) 1994-10-12
EP0697518A1 (en) 1996-02-21
US5647540A (en) 1997-07-15

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